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ADE9153A Recommended for New Designs
The ADE9153A is a highly accurate, single-phase, energy metering IC with autocalibration. The mSure® autocalibration feature allows a meter to automatically...
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ADE9153A on Analog.com

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ADE9153A calibration issue



		

			

									
					    ulzii
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Aug 31, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  ADE9153A 
    
    		        		    		    	
			
    Hello,
    

    I designing smart meter based on ADE9153A. i got problem with calibration. i got wrong current value, so adjusting like 
    

    

        int32_t Igain = ((acalVals.AICC*26.15 / (CAL_IRMS_CC * 1000)) - 1) * 134217728;
    

        int32_t Vgain = ((acalVals.AVCC*1.0047 / (CAL_VRMS_CC * 1000)) - 1) * 134217728;
    

    

    getiing correct reading. What is the reason maight be?
    

    

     Please, advice! Thanks
    
										

    
				adjusted gain.
    
[edited by: ulzii at 1:45 PM (GMT -4) on 2 Sep 2023]
				
    
						
			        
		
    

				
						
        

    
    Tags: 
                                            
                 hardware
                
                                                    
                 ADE9153A
                
                                                    
                 Energy Metering ICs
                
                                                    
                 Integrated/Special Purpose A/D Converters
                
                                
            
    
    
    

		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	
    
		
	
    















    
	
    
	
    
					



			








	
	
	
	



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						in reply to dlath
					
									
        
	
        

		
		
        
					
        Thank you for reply. i got ADE9153_Calibration process (Kelven).xlsx  excel sheet here and followed by AN1571. my shunt is 220uOhm and voltage divder 1k/1M. my AICC = 1.90498E-06 , AVCC 13.4245E-05 . But need coefficient like above to get accuracy of 1%
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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